Color

#b00715

#b00715
hex#b00715
rgbrgb(176, 7, 21)
hslhsl(355, 92%, 36%)
oklchoklch(0.479 0.192 26.7)
Closest name: All Systems Red (#b30103)Relative luminance 0.0944

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#07b0a2

#b0076a · #b04e07

#15b007 · #0715b0

Split-complementary

Open in tool →

#07b04e · #076ab0

#6ab007 · #07b0a2 · #4e07b0

Contrast

#b00715 as textRatioAAAA largeAAAFix
Aaon white
7.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #eb0a1d as the text (4.59:1)
  • AAA: use #f96773 as the text (7.22:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b00715 as the background.

Brands using this color

Fonts for this mood

#b00715 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b00715
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b00715 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b00715-c49e9c-62cb8f-2d241f-f1e9ee?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md